Sconce



FIG. 1 is a front view of my new sconce;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof, with a light fixture shown in phantom to show the intended purpose of the invention, with the right side view being a mirror image thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The phantom lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a sconce, as shown and described. 